ripienaar/gdash — pull request #72 by bwhaley (2013-02-11 01:05:17+00:00)
Title: URL parameter placeholders in graph definitions

This lets us call something like
````http://localhost:8000/system/common/details/cpu/?p[node]=somenode.example.net````

And refer to that node in the graph definitions like so
````:data => "servers.%{node}.cpu*.cpu-wait.value"````

This PR inspired by tanelj/gdash@0b4560900.